Assigment of maximal acceleration of a car as a function of some independent variables

• Autorzy: Drąg Ł. , Adamski W. , Brzozowska L.
• Języki publikacji: EN

Abstrakty

EN

The procedure for calculation of a car maximal acceleration during speeding up with changing shifts of a gearbox in dependence on several independent parameters has been presented in the paper.  The parameters taken into consideration are the angle of a road slope and the additional vehicle load. The maximal acceleration for investigated vehicle category has been calculdted on the basis of many numerical simulations. During these simulations the dynamics of vehicle motion has been modelled for different road conditions. In order to approximate the results of acceleration the power polynomials were applied.  The least sąuare method has been used in calculations of polynomial coefficients. The results of modelling of the vehicles dynamics concern two passenger cars and one heavy duty car. Simulations of speeding up were obtained using the model of vehicle dynamics. Especially, model of vehicle, the traction characteristic of the passenger car with SI engine, the maximal driving force on  wheels during vehicle acceleration calculated on the basis of traction characteristic,   the maximal acceleration of the passenger cars and according to the model of vehicle dynamics during speeding up with changing shifts of a gearbox in dependence on different parameters of road slope and vehicle load are presented in the paper.

Słowa kluczowe

EN

transport; modelling; vehicle dynamics; traffic flow

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2009
• Tom: Vol. 16, No. 3
• Strony: 85--92
• Opis fizyczny: Bibliogr. 8 poz., rys.

Twórcy

autor

Drąg Ł.

autor

Adamski W.

autor

Brzozowska L.

• University of Bielsko Biala ul. Willowa 2, 43-309 Bielsko-Biała, Poland tel: [phone], fax: [phone],

Bibliografia

• [1] Brzozowska, L., Brzozowski, K., Drąg, Ł., Road transport - quality of atmospheric air. Computational modelling in mesoscale, WKiŁ, in Polish, Warszawa 2009.
• [2] Datka, S., Suchorzewski, W., Tracz, M., Traffic engineering. WKiŁ, Warszawa 1997.
• [3] Drąg, Ł., Influence of car motion models on the computational car exhaust emission, Ph.D. Thesis, University of Bielsko-Biała, 2008.
• [4] Pacejka, H. B., Tyre and vehicle dynamics, SAE Inc, Warendale 2002.
• [5] Press, W. H., Teukolsky, S. A., Vetterling, W. T., Flannery, W. P., Numerical recipes in C++, Cambridge University Press, 1992.
• [6] Szczotka, M., Wojciech, S., Comparison of numerical effectiveness of the methods used in solving of equations of motion of vehicles, Zeszyty Naukowe OBR SM BOSMAL, Bielsko-Biała, pp.5-27, 2004, in Polish.
• [7] Traffic Flow Theory Monographs, Revised Traffic Flow Theory. A state of the Art Report, Transportation Research Board, National Academy of Science, USA 2001.
• [8] Wojciech, S., Szczotka, M., Some numerical aspects of solving the equations of vehicle motion, KONMOT-AUTOPROGRES, Mechanics, Vol. 7, pp. 699-706, Kraków 2004.